HULBERT PUBLIC WORKS AUTHORITY
NPDES ID: OK0032328
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 1 effluent violation.
Violations
May 31, 2026
pH
0% over limit
Discharged 6.48 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
388% over limit
Discharged 27.68037977 kg/d against a permitted limit of 5.675 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 11.9220399 kg/d against a permitted limit of 8.53519993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
47% over limit
Discharged 44.2 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
63% over limit
Discharged 73.2 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2025
pH
0% over limit
Discharged 6.22 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
October 31, 2025
pH
0% over limit
Discharged 6.41 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2025
pH
0% over limit
Discharged 6.42 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 6.38 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 6.37 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli
236% over limit
Discharged 790 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.743 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.51 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 1.87047998 kg/d against a permitted limit of 5.675 kg/d (MO AVG)
DMR, Limited - Overdue
E. coli
115% over limit
Discharged 505 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
E. coli
115% over limit
Discharged 505 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
0% over limit
Discharged 71 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 3.33 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.82 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.867 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2.32901998 kg/d against a permitted limit of 8.53519993 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.71 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.219 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
April 30, 2025
pH
0% over limit
Discharged 6.33 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
pH
0% over limit
Discharged 6.29 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
310% over limit
Discharged 964 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)